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Method for rapidly reducing clubroot harm in farmland

A technology for clubroot disease and farmland, which is applied in the field of rapidly reducing the damage of clubroot disease in farmland, can solve the problems of large impact on the yield of cruciferous crops, unsuitable cultivation of cruciferous plants in diseased fields, long time period, etc. The probability of clubroot infection, increasing the amount of available soil, preventing long-distance transmission

Inactive Publication Date: 2020-12-04
INST OF PLANT PROTECTION SICHUAN ACAD OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] 1. It is impossible to fundamentally reduce the amount of bacteria in the soil. The diseased fields are still not suitable for planting cruciferous plants, and the amount of available soil has not been improved. spread by water;
[0011] 2. The time period is long, which has a great impact on the yield of cruciferous crops;
[0012] 3. The cost of using chemical agents, microorganisms or planting highly disease-resistant varieties is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A method for quickly reducing clubroot damage in farmland, comprising the following steps:

[0037] S1. Seedling field finishing: select the field with serious clubroot disease incidence, plow the ground after removing weeds, the plowing depth is 15cm, apply nitrogen, phosphorus and potassium compound fertilizer before sowing, and the application rate is 25kg / mu; the nitrogen, phosphorus and potassium compound fertilizer Among the fertilizers, the weight of nitrogen fertilizer is less than one-third of the total weight, and the weight of phosphorus fertilizer and potassium fertilizer is greater than one-third of the total weight;

[0038] S2. Soybean planting: select soybean seeds, sow soybeans evenly on May 10, and the sowing rate is 20kg / mu;

[0039] S3. Plowing and replanting: after 35 days, the grown soybean plants were smashed, plowed, and the soybeans were evenly broadcasted again at a rate of 20kg / mu;

[0040] S4. Harvest in time: Harvest mature soybeans on Sept...

Embodiment 2

[0042] A method for quickly reducing clubroot damage in farmland, comprising the following steps:

[0043] S1. Seedling field finishing: select the fields with severe clubroot disease, remove the weeds, and plow the ground, the depth of plowing is 20cm, and apply organic fertilizer and nitrogen, phosphorus and potassium compound fertilizer before sowing;

[0044] Wherein, the application rate of organic fertilizer is 2000kg / mu; the application rate of nitrogen, phosphorus and potassium compound fertilizer is 30kg / acre, and in this nitrogen, phosphorus and potassium compound fertilizer, the weight of nitrogen fertilizer is less than 1 / 3rd of total weight, and the weight of phosphate fertilizer and potash fertilizer are greater than one-third of the total weight;

[0045] S2. Soybean planting: select soybean seeds, sow soybeans evenly on May 10, and the sowing rate is 15kg / mu;

[0046] S3. Plowing and replanting: after 50 days, the grown soybean plants were smashed, plowed, and...

Embodiment 3

[0049] A method for quickly reducing clubroot damage in farmland, comprising the following steps:

[0050] S1. Seedling field finishing: select the fields with severe clubroot disease, remove the weeds, and plow the ground to a depth of 18 cm, and apply organic fertilizer and nitrogen, phosphorus, potassium compound fertilizer before sowing;

[0051]Wherein, the application rate of organic fertilizer is 500kg / mu; the application rate of nitrogen, phosphorus and potassium compound fertilizer is 28kg / acre, and in this nitrogen, phosphorus and potassium compound fertilizer, the weight of nitrogen fertilizer is less than 1 / 3rd of total weight, and the weight of phosphate fertilizer and potassium fertilizer are greater than one-third of the total weight;

[0052] S2. Soybean planting: select soybean seeds, sow soybeans evenly on May 12, and the sowing rate is 18kg / mu;

[0053] S3. Plowing and replanting: after 55 days, the grown soybean plants were smashed, plowed, and the soybean...

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Abstract

The invention relates to the technical field of clubroot prevention and control, and discloses a method for rapidly reducing clubroot harm in a farmland. The method comprises the following steps: S1,seedling field preparation is conducted, specifically, a field parcel with serious clubroot is selected, plowing is conducted after removing weeds, and a fertilizer required by soybeans is applied before sowing; S2, soybeans are planted, specifically, soybean seeds are selected, and the soybeans are uniformly sowed between May 10th and May 15th; S3, plowing and re-planting are conducted, specifically, after 35-55 days, the grown soybean plants are smashed, plowing is conducted, and the soybeans are uniformly sowed again; and S4, harvesting is conducted timely, specifically, the soybeans are harvested between September 10th and September 15th. According to the method, the soybeans are continuously planted twice, and the respective planting time, growth time and treatment modes of the soybeans in two seasons are limited, so that the bacterial source amount of soil is reduced, the available soil quantity is rapidly increased, clubroot dormant spore propagation is prevented, and meanwhile,the effects that the yield of cruciferous crops such as oilseed rape is not influenced, and the cost is low are achieved.

Description

technical field [0001] The invention relates to the technical field of clubroot prevention and control, in particular to a method for quickly reducing the harm of clubroot in farmland. Background technique [0002] Rapeseed, together with soybeans, peanuts, and sesame, is listed as the four major oil crops in my country. It is not only the main raw material for edible oil, but also an important industrial raw material and an important biological resource for future renewable energy. The oil content of rapeseed is more than 33%, which provides high-quality edible oil necessary for people's life. Rapeseed oil with high erucic acid content can also be used as lubricating oil for mechanical processing and textile industry. The cake residue after oil extraction from rapeseed contains 36% crude protein, which has high nutritional value and is an excellent feed for livestock and poultry. In addition, rapeseed can also be planted on newly cleared land, fallow land and saline-alkali...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/40A01G13/00A01B79/02
CPCA01B79/02A01G13/00A01G22/40
Inventor 刘勇张蕾黄小琴杨潇湘周西全黄明波
Owner INST OF PLANT PROTECTION SICHUAN ACAD OF AGRI SCI
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